Wednesday, January 16, 13You can see this same “data center behind apps in everyday life” in applications like Square. Square is revolutionizing the retail experience forsmall merchants. I don’t know how many of you have tried the combination of Square Register and the Square wallet app. It automaticallychecks you in when you walk into a participating merchant. Your name and face appear on the register, and since your payment details arealready on ﬁle, all the retail clerk has to do is conﬁrm your identity, as shown in this screen shot.